Catalog / cefinstem.org
60

SEO audit for cefinstem.org

CEF in STEM

otherWordPress

Health 60/100 (fair) · 50 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)

Creating Exciting Futures in STEM

Screenshot of cefinstem.org
50
pages crawled
44
indexable pages
8
errors
402
warnings
664
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Crawlability 90 4 3 7
Sitemap 92 4 0 0
Links 0 0 235 44
Performance 73 0 45 158
Agent Readiness 74 0 44 45
Images 74 0 44 45
Content 95 0 9 41
Duplicate 95 0 8 4
Meta Description 96 0 6 33
Indexability 98 0 4 0
Structured Data 99 0 2 45
Robots 99 0 1 0
Titles 99 0 1 1
Cache 100 0 0 44
Canonical 100 0 0 34
Headings 100 0 0 43
Security 100 0 0 94
Social 100 0 0 25
URL 100 0 0 1
Findings

Errors (2 rules)

error Non-200 URL listed in sitemap

Rule sitemap.not_200 · Sitemap · 4 occurrence(s)

error Client error (4xx) response

Rule status.4xx · Crawlability · 4 occurrence(s)

Warnings (16 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 44 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 9 occurrence(s)

warning Duplicate page content

Rule duplicate.content · Duplicate · 4 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 4 occurrence(s)

warning Images missing alt text

Rule images.missing_alt · Images · 44 occurrence(s)

warning Hero/LCP image is lazy-loaded (loading=lazy delays LCP)

Rule images.no_lazy_lcp_candidate · Performance · 1 occurrence(s)

  • https://www.cefinstem.org/donors/ — the likely hero/LCP image (100pctchoosestem_all_biology_math-300x300.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.

warning Page is noindex

Rule index.noindex · Indexability · 3 occurrence(s)

warning noindex + nofollow (blocks link equity flow)

Rule index.noindex_nofollow · Indexability · 1 occurrence(s)

warning Internal link points to a redirect

Rule links.redirect_target · Links · 235 occurrence(s)

warning Missing meta description

Rule meta_desc.missing · Meta Description · 6 occurrence(s)

warning Render-blocking script in <head> (no defer/async)

Rule perf.render_blocking · Performance · 44 occurrence(s)

warning Redirect chain (multiple hops)

Rule redirect.chain · Crawlability · 3 occurrence(s)

warning robots.txt blocks CSS/JS the pages need to render

Rule robots.blocks_css_js · Robots · 1 occurrence(s)

  • https://www.cefinstem.org/ — robots.txt Disallow blocks render-critical CSS/JS under: /wp-content/plugins/bloom/core/admin/js/, /wp-content/plugins/contact-form-7/includes/css/, /wp-content/plugins/contact-form-7/includes/js/, /wp-content/plugins/contact-form-7/includes/swv/js/, /wp-content/plugins/contact-form-7/modules/recaptcha/, /wp-content/plugins/content-protector/assets/public/, /wp-content/plugins/document-library-pro/dependencies/barn2/document-library-core/assets/css/, /wp-content/plugins/event-espresso/scripts/, /wp-content/plugins/event-espresso/templates/css/themeroller/, /wp-content/plugins/event-espresso/templates/css/themeroller/smoothness/, /wp-content/plugins/tubepress_pro_5_1_2/web/js/, /wp-content/plugins/tubepress_pro_5_1_2/web/themes/default/css/, /wp-includes/js/dist/, /wp-includes/js/dist/vendor/, /wp-includes/js/jquery/ — Google's renderer can't fetch these, so the affected pages may render blank or thin. Allow the asset path(s) for Googlebot.

warning BreadcrumbList present but structurally incomplete

Rule schema.breadcrumb_incomplete · Structured Data · 1 occurrence(s)

  • https://www.cefinstem.org/ — a BreadcrumbList is present but structurally incomplete — missing required itemListElement. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.

warning Schema describes content not visible on the page

Rule schema.hidden_content · Structured Data · 1 occurrence(s)

  • https://www.cefinstem.org/whats-new/welcome-to-the-new-cef-website/ — a schema name/headline ("Megan Honour") does not appear in the page's visible text — Google's policies prohibit marking up content not visible to readers. This is a heuristic (a static-HTML substring check): JS-rendered or abbreviated names can be false positives, so verify before removing.

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 1 occurrence(s)

Notices (25 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 44 occurrence(s)

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

notice Page served uncached (no-store/private or CDN bypass)

Rule cache.not_cacheable · Cache · 44 occurrence(s)

notice Canonical points to a different URL

Rule canonical.non_self · Canonical · 34 occurrence(s)

notice Main text is hard to read (low Flesch Reading Ease)

Rule content.readability_poor · Content · 41 occurrence(s)

  • https://www.cefinstem.org/ — this page reads as difficult (Flesch Reading Ease 32, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/about-cef/what-we-do/ — this page reads as difficult (Flesch Reading Ease 40, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/community-champion-callie-ayers/ — this page reads as difficult (Flesch Reading Ease 49, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/community-champion-kevin-benner/ — this page reads as difficult (Flesch Reading Ease 35, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/community-champion-larry-sernyk/ — this page reads as difficult (Flesch Reading Ease 41, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/community-champion-lolita-tillery-grant/ — this page reads as difficult (Flesch Reading Ease 47, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/community-champion-magan-lewis/ — this page reads as difficult (Flesch Reading Ease 43, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/community-champion-stephanie-carouthers/ — this page reads as difficult (Flesch Reading Ease 39, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/donors/ — this page reads as difficult (Flesch Reading Ease 36, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/event-registration/ — this page reads as very difficult (Flesch Reading Ease 24, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/impact/educators/ — this page reads as difficult (Flesch Reading Ease 31, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/march-flash-drive-orders/ — this page reads as difficult (Flesch Reading Ease 39, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/order-flash-drive/ — this page reads as very difficult (Flesch Reading Ease 14, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/ — this page reads as very difficult (Flesch Reading Ease 27, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/2012-national-you-be-the-chemist-challenge/ — this page reads as difficult (Flesch Reading Ease 34, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/registration-cancelled/ — this page reads as difficult (Flesch Reading Ease 30, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/spotlight/ — this page reads as difficult (Flesch Reading Ease 31, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/state/ — this page reads as difficult (Flesch Reading Ease 32, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/state/alaska/ — this page reads as very difficult (Flesch Reading Ease 25, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/thank-you-for-registering/ — this page reads as difficult (Flesch Reading Ease 41, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/thank-you/ — this page reads as very difficult (Flesch Reading Ease 27, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/transactions/ — this page reads as very difficult (Flesch Reading Ease 25, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/ways-to-give/ — this page reads as very difficult (Flesch Reading Ease 27, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/whats-new/welcome-to-the-new-cef-website/ — this page reads as difficult (Flesch Reading Ease 44, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.cefinstem.org/workshop-resources/ — this page reads as very difficult (Flesch Reading Ease 30, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 4 occurrence(s)

notice Multiple <h1> elements

Rule h1.multiple · Headings · 43 occurrence(s)

notice Image filename is generic/auto-generated (missed image-search signal)

Rule images.generic_filename · Images · 1 occurrence(s)

  • https://www.cefinstem.org/impact/ — 1 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 24 occurrence(s)

  • https://www.cefinstem.org/ — the likely hero/LCP image (2026-winners.gif) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/2021-2022-state-challenge-winners/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/2024-state-national-finalists/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/2025-state-winners-and-national-finalists/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/career-connections-archive/ — the likely hero/LCP image (borst-scaled-e1650906952188-300x260.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/document-library/ — the likely hero/LCP image (ps-loader.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/document-search/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/event-registration/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/events/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/march-flash-drive-orders/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/order-flash-drive/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/2012-national-you-be-the-chemist-challenge/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/registration-cancelled/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/spotlight/media-hits/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/state/alaska/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/summer-stem-fun/ — the likely hero/LCP image (pg_logo_1_color_pms293_gradient-2-300x300.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/thank-you-for-registering/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/thank-you/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/transactions/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/ways-to-give/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/whats-new/welcome-to-the-new-cef-website/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/workshop-resources/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.cefinstem.org/you-be-the-chemist-challenge-national-level/ — the likely hero/LCP image (1-presenting-sponsor-tier-150x75.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.

notice Images without width/height (layout shift / CLS)

Rule images.missing_dimensions · Images · 44 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 44 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 29 occurrence(s)

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 4 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 25 occurrence(s)

notice Legacy image format (jpg/png/gif) with no next-gen fallback

Rule perf.images_legacy_format · Performance · 44 occurrence(s)

notice No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 44 occurrence(s)

  • https://www.cefinstem.org/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/about-cef/what-we-do/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/community-champion-callie-ayers/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/community-champion-kevin-benner/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/community-champion-larry-sernyk/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/community-champion-lolita-tillery-grant/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/community-champion-magan-lewis/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/community-champion-stephanie-carouthers/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/donors/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/event-registration/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/impact/educators/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/march-flash-drive-orders/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/order-flash-drive/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/2012-national-you-be-the-chemist-challenge/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/registration-cancelled/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/spotlight/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/state/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/state/alaska/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/thank-you-for-registering/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/thank-you/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/transactions/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/ways-to-give/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/whats-new/welcome-to-the-new-cef-website/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://www.cefinstem.org/workshop-resources/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.

notice No Last-Modified header (no conditional GET for unchanged pages)

Rule perf.no_last_modified · Performance · 44 occurrence(s)

  • https://www.cefinstem.org/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/about-cef/what-we-do/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/community-champion-callie-ayers/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/community-champion-kevin-benner/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/community-champion-larry-sernyk/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/community-champion-lolita-tillery-grant/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/community-champion-magan-lewis/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/community-champion-stephanie-carouthers/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/donors/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/event-registration/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/impact/educators/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/march-flash-drive-orders/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/order-flash-drive/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/2012-national-you-be-the-chemist-challenge/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/registration-cancelled/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/spotlight/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/state/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/state/alaska/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/thank-you-for-registering/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/thank-you/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/transactions/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/ways-to-give/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/whats-new/welcome-to-the-new-cef-website/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://www.cefinstem.org/workshop-resources/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.

notice Slow server response

Rule perf.slow_response · Performance · 2 occurrence(s)

notice URL redirects to another URL

Rule redirect.single · Crawlability · 7 occurrence(s)

notice Article schema missing recommended properties (Top Stories / image carousel)

Rule schema.article_incomplete · Structured Data · 1 occurrence(s)

notice Deprecated schema type with no Google rich result

Rule schema.deprecated_type · Structured Data · 44 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 50 occurrence(s)

notice target=_blank link without rel=noopener (tab-napping)

Rule security.unsafe_cross_origin_links · Security · 44 occurrence(s)

notice Title is very short

Rule title.too_short · Titles · 1 occurrence(s)

notice URL is very long

Rule url.too_long · URL · 1 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://www.cefinstem.org/
CEF in STEM		 200 yes 497 47
https://www.cefinstem.org/about-cef/
About CEF - CEF in STEM		 200 yes 510 47
https://www.cefinstem.org/about-cef/what-we-do/
About CEF - CEF in STEM		 200 yes 510 47
https://www.cefinstem.org/donors/
Supporters - CEF in STEM		 200 yes 753 47
https://www.cefinstem.org/get-involved/
Get Involved - CEF in STEM		 200 yes 439 47
https://www.cefinstem.org/get-involved/donate/
Donation Form		 200 yes 700 47
https://www.cefinstem.org/programs/challenge/about-the-challenge/
The Challenge - CEF in STEM		 200 yes 454 47
https://www.cefinstem.org/programs/essential-elements/
Essential Elements - CEF in STEM		 200 yes 321 47
https://www.cefinstem.org/spotlight/
What's New - CEF in STEM		 200 yes 884 47
https://www.cefinstem.org/spotlight/media-hits/
In The News - CEF in STEM		 200 yes 701 47
https://www.cefinstem.org/state/
The Challenge - CEF in STEM		 200 yes 454 47
https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/2012-national-you-be-the-chemist-challenge/
2012 National You Be The Chemist Challenge® - CEF in STEM		 200 yes 251 1
https://www.cefinstem.org/2019-2020-challenge-winners/
2019-2020 Challenge Winners - CEF in STEM		 200 yes 1156 0
https://www.cefinstem.org/2021-2022-state-challenge-winners/
2021 - 2022 National Finalists and State Challenge Winners - CEF in STEM		 200 yes 720 0
https://www.cefinstem.org/2024-state-national-finalists/
2024 State Winners and National Finalists - CEF in STEM		 200 yes 693 0
https://www.cefinstem.org/2025-state-winners-and-national-finalists/
2025 State Winners and National Finalists - CEF in STEM		 200 yes 1095 0
https://www.cefinstem.org/breaking-barriers-20-years/
Breaking Barriers, Creating Opportunities: Celebrating 20 Years of the Challenge! - CEF in STEM		 200 yes 631 0
https://www.cefinstem.org/career-connections-archive/
Career Connections Archive - CEF in STEM		 200 yes 1004 0
https://www.cefinstem.org/cefs-challenge-brochure/
CEF's Challenge Brochure - CEF in STEM		 200 yes 155 0
https://www.cefinstem.org/community-champion-callie-ayers/
Community Champion: Callie Ayers - CEF in STEM		 200 yes 482 0
https://www.cefinstem.org/community-champion-kevin-benner/
Community Champion: Kevin Benner - CEF in STEM		 200 yes 548 0
https://www.cefinstem.org/community-champion-larry-sernyk/
Community Champion: Larry Sernyk - CEF in STEM		 200 yes 539 0
https://www.cefinstem.org/community-champion-lolita-tillery-grant/
Community Champion: Lolita Tillery-Grant - CEF in STEM		 200 yes 616 0
https://www.cefinstem.org/community-champion-magan-lewis/
Community Champion: Magan Lewis - CEF in STEM		 200 yes 605 0
https://www.cefinstem.org/community-champion-stephanie-carouthers/
Community Champion: Stephanie Carouthers - CEF in STEM		 200 yes 582 0
https://www.cefinstem.org/document-library/
Document Library - CEF in STEM		 200 yes 173 0
https://www.cefinstem.org/document-search/
Document Search Results - CEF in STEM		 200 yes 158 0
https://www.cefinstem.org/donate/
Network for Good - Donor Form		 200 yes 24 0
https://www.cefinstem.org/event-registration/
Event Registration - CEF in STEM		 200 yes 155 0
https://www.cefinstem.org/events/
Events - CEF in STEM		 200 yes 223 0
https://www.cefinstem.org/impact/
Impact - CEF in STEM		 200 yes 577 0
https://www.cefinstem.org/impact/educators/
Educators - CEF in STEM		 200 yes 310 0
https://www.cefinstem.org/march-flash-drive-orders/
Order Flash Drives - CEF in STEM		 200 yes 282 0
https://www.cefinstem.org/order-flash-drive/
Order Flash Drive - CEF in STEM		 200 yes 286 0
https://www.cefinstem.org/programs/challenge/national-challenge/national-challenge-history/
National Challenge History - CEF in STEM		 200 yes 1040 0
https://www.cefinstem.org/registration-cancelled/
Registration Cancelled - CEF in STEM		 200 yes 159 0
https://www.cefinstem.org/spotlight/media-hits/media-archives/
Media Archives - CEF in STEM		 200 yes 2409 0
https://www.cefinstem.org/state/alaska/
Alaska - CEF in STEM		 200 yes 222 0
https://www.cefinstem.org/summer-stem-fun/
Summer STEM Fun - CEF in STEM		 200 yes 414 0
https://www.cefinstem.org/thank-you-for-registering/
Thank You for Registering - CEF in STEM		 200 yes 221 0
https://www.cefinstem.org/thank-you/
Thank You - CEF in STEM		 200 yes 154 0
https://www.cefinstem.org/transactions/
Transactions - CEF in STEM		 200 yes 154 0
https://www.cefinstem.org/ways-to-give/
Ways to Give - CEF in STEM		 200 yes 155 0
https://www.cefinstem.org/whats-new/welcome-to-the-new-cef-website/
Welcome to the New CEF Website! - CEF in STEM		 200 yes 248 0
https://www.cefinstem.org/workshop-resources/
Workshop Resources - CEF in STEM		 200 yes 169 0
https://www.cefinstem.org/you-be-the-chemist-challenge-national-level/
You Be The Chemist Challenge - National Level - CEF in STEM		 200 yes 365 0
https://www.cefinstem.org/about-cef/donorssponsors/presidents-club-members/
Page not found - CEF in STEM		 404 no 172 0
https://www.cefinstem.org/events/indiana-association-of-home-educators-convention/
Just a moment...		 403 no 0 0
https://www.cefinstem.org/fourtheditiondownload/
Page not found - CEF in STEM		 404 no 172 0
https://www.cefinstem.org/fourtheditiondownload/disclaimer/
Page not found - CEF in STEM		 404 no 172 0

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